Journal
JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY
Volume 15, Issue -, Pages 239-242Publisher
JOURNAL OF CENTRAL SOUTH UNIV
DOI: 10.1007/s11771-008-0354-7
Keywords
magnetorheological (MR) elastomer; sandwich beam; vibration response; dynamical characteristic
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Funding
- National Natural Science Foundation of China [10602033]
- Education Department of Hunan Province [07B012]
- State Key Laboratory of Mechanical System and Vibration [VSN-2007-01]
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A sandwich beam specimen was fabricated by treating with MR elastomers between two thin aluminum face-plates. Experiment was carried out to investigate the vibration responses of the sandwich beam with respect to the intensity of the magnetic field and excitation frequencies. The results show that the sandwich beams with MR elastomers cores have the capabilities of shifting natural frequencies and the vibration amplitudes decrease with the variation of the intensity of external magnetic field.
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